<?php

namespace app\admin\controller\user;

use app\common\controller\Backend;
use app\common\manager\CouponManager;
use think\Db;
use think\Exception;
use think\exception\PDOException;
use think\exception\ValidateException;

/**
 * 用户优惠券
 *
 * @icon fa fa-circle-o
 */
class Coupon extends Backend
{

    /**
     * Coupon模型对象
     * @var \app\admin\model\user\Coupon
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\user\Coupon;
        $this->view->assign("typeList", $this->model->getTypeList());
        $this->view->assign("detailList", $this->model->getDetailList());
        $this->view->assign("statusList", $this->model->getStatusList());
    }



    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */


    /**
     * 查看
     */
    public function index()
    {
        //当前是否为关联查询
        $this->relationSearch = true;
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        $userId = $couponId = $this->request->param("ids");
        $type = $this->request->param("types") ?? 1;

        $uid = $this->request->param("uid");
        $cid = $this->request->param("cid");

        if ($type==1){
            $cid = 0;
            $couponId = 0;
        }else{
            $userId = 0;
            $uid = 0;
        }
        if ($this->request->isAjax()) {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();

            $list = $this->model
                    ->with(['user','coupons'])
                    ->where($where)
                    ->where(function ($query) use ($uid) {
                        if ($uid){
                            return $query->where('user_id',$uid);
                        }
                    })
                    ->where(function ($query) use ($cid) {
                        if ($cid){
                            return $query->where('coupon_id',$cid);
                        }
                    })
                    ->order($sort, $order)
                    ->paginate($limit);

            foreach ($list as $row) {
                
                
            }

            $result = array("total" => $list->total(), "rows" => $list->items());

            return json($result);
        }

        $this->view->assign('userId', $userId);
        $this->view->assign('couponId', $couponId);
        $this->view->assign('types', $type);
        return $this->view->fetch();
    }

    public function add(){
        $uid = $this->request->param("uid");
        if (false === $this->request->isPost()) {
            $this->view->assign('userId', $uid);
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);

        if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
            $params[$this->dataLimitField] = $this->auth->id;
        }
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                $this->model->validateFailException()->validate($validate);
            }
            $resultData = CouponManager::receiveCoupon($params['user_id'],$params['coupon_id'],\app\common\model\Coupon::SYSTEM_YES,false);
            if ($resultData['code'] == CouponManager::$successCode){
                $result = true;
            }else{
                throw new Exception($resultData['message']);
            }
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($result === false) {
            $this->error(__('No rows were inserted'));
        }
        $this->success();
    }


    public function del($ids = "")
    {
        if (false === $this->request->isPost()) {
            $this->error(__("Invalid parameters"));
        }
        $ids = $ids ?: $this->request->post("ids");
        if (empty($ids)) {
            $this->error(__('Parameter %s can not be empty', 'ids'));
        }
        $pk = $this->model->getPk();
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds)) {
            $this->model->where($this->dataLimitField, 'in', $adminIds);
        }
        $list = $this->model->where($pk, 'in', $ids)->select();

        $count = 0;
        Db::startTrans();
        try {
            foreach ($list as $item) {
                if ($item->donation == \app\common\model\Coupon::SYSTEM_NO){
                    throw new Exception('该优惠券非系统赠送，不能删除');
                }
                $count += $item->delete();
            }
            Db::commit();
        } catch (PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($count) {
            $this->success();
        }
        $this->error(__('No rows were deleted'));
    }

}
